New MyCLoudmirror drive is full

My Cloud OS 3 Personal & Network Attached Storage My Cloud Mirror
1

Back up filled the drive now I cant access to delete old back up, tried rebooting didnt help. is there a way to access to delete a file

2

Welcome to the Community.

Try mapping your WD My Cloud Mirror for direct Share access. This will allow you to see and manage the content.

http://wdc.custhelp.com/app/answers/detail/a_id/2676/